// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

// 云函数入口函数
exports.main = async (event, context) => {
  var imageHeight = event.imageHeight;
  var imageWidth = event.imageWidth;
  var winWidth = event.winWidth;

  var newHeight = winWidth * imageHeight / imageWidth;
  var newWidth = winWidth;
  return{
    newWidth,
    newHeight,
  }
 
  
}